Dominance, sexual behavior, and territoriality can all be related in song birds. This is because:a
the establishment of a territory by singing tends to reduce conflict.
b. the establishment of a territory encourages use of the entire habitat and regulates the size of the breeding area.
c. competing species are eliminated.
d. only individuals that successfully defend their territory can mate.
e. females sing but males do not.
d
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A lizard's bobbing dewlap (a colorful flap of skin hanging from an Anolis lizard's throat) is an example of a(n) _____
A) stimulus B) reflex C) signal D) innate releasing mechanism E) structure necessary for respiration
Consider the following hypothetical situation. Researchers doing influenza surveillance involving molecular analysis of recent isolates of the virus notice a major change in the H and N antigens. What is a likely outcome?
A. The number of cases of influenza will increase significantly. B. The number of cases of influenza will decrease significantly. C. There will be no significant change in the number of cases of influenza.
If blood pH falls outside of the normal range for too long, which system suffers most?
a. skeletal system b. muscular system c. cardiovascular system d. central nervous system e. respiratory system
Give two examples of medical compounds derived from aquatic organisms and their medical utility
What will be an ideal response?